/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/**
 *@filename: table_map_iterator.cc
 */
#include <global.h>
#include CSTDINT_H
#include <table_map_iterator.h>

int Table_map_iterator::next_bit()
{

  static const char last_bit[16]= {
                                   32, 0, 1, 0,
                                   2,  0, 1, 0,
                                   3,  0, 1, 0,
                                   2,  0, 1, 0
                                   };
  uint32_t bit;
  while ((bit= last_bit[bmp & 0xF]) == 32)
  {
    no += 4;
    bmp= bmp >> 4;
    if (!bmp)
      return BITMAP_END;
  }
  bmp &= ~(1 << bit);
  return no + bit;

}
